ICD-10-CM code "C31.1": Malignant neoplasm of ethmoidal sinus (2024)

Overview

ICD-10 CodeC31.1
DescriptionMalignant neoplasm of ethmoidal sinus
Hierarchy
  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
  3. Malignant neoplasm of accessory sinuses (C31)
  4. Malignant neoplasm of ethmoidal sinus (C31.1)
Billable statusICD-10-CM Billable code

Excludes

  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

    Type 1mesothelioma (C45.-)

  3. Malignant neoplasm of accessory sinuses (C31)
  4. Malignant neoplasm of ethmoidal sinus (C31.1)

Includes

  1. Neoplasms (C00-D49)
  2. Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

    Includesmalignant neoplasm of middle ear

  3. Malignant neoplasm of accessory sinuses (C31)
  4. Malignant neoplasm of ethmoidal sinus (C31.1)